// fast4j - Fast & Agile Service Tools for Java
// Copyright (C) 2007 Alexandre ROMAN
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

// $Id: EchoService.java 36 2007-03-27 22:02:40Z alexandre.roman $

package service.api;

/**
 * Echo service.
 * @author alexandre.roman
 */
public interface EchoService {
    /**
     * Returns input {@link String}.
     * @param str {@link String} to return
     * @return the same {@link String}
     */
    String echo(String str);
}
